hutohinson



(No Model.) 2 Sheets-Sheet 1 A. B HUTGHIN$ON.

PLANING MAGHINE.

No. 482,481. Pat ented Sept. 13, 1892.

Wwsses (No Model.) 2 Sheets Sheet 2. A. B. HUTCHINSON. PLANING MACHINENo. 482,481. Patented Sept. 13, 1892 .reception of the ad justing-rodsE.

UNITED STATES PATENT OFFICE.

ALFRED B. HUTCHINSON, OF BROOKLYN, NEW YORK, ASSIGNOR TO THE GLEN COVEMACHINE COMPANY, LIMITED, OF SAME PLACE.

PLANINGY-MACHINE.

SPECIFICATION forming part of Letters Patent No. 482,481, datedSeptember 13, 1892..

Application filed February 24, 1892. Serial No. 422,664. (No model.)

To all whom/it may concern.-

Be it known that I, ALFRED B. HUTOHIN- SON, of Brooklyn, in the countyof Kings and State of New York, have invented a new and usefulImprovement in Planing-Machines, of which the following is aspecification.

Hy invention relates to an improvement in planing-machines, and moreparticularly to the structure and arrangement of the parts whichcomprise what is commonly known as the parallel hoist for feeding thelumber to the cutter.

The object is to simplify the structure and economize metal, and at thesame time maintain the strength, durability, and effectiveness of theparts.

A practical embodiment of myinvention is represented in the accompanyingdrawings, in which-- Figure 1 is a top plan view of portions of aplaning machine comprising the parts to which my invention relates, andFig. 2 is a View of the same in longitudinal vertical section.

The bed-frame is represented by A, and from it uprise standards a forthe support of the frames in which the feed-rollers are jour naled. Theframes in which the feed-rollers are journaled consist of end arms B,connected by a tie or cross piece I), so located with reference to thearms B that the latter project in opposite directions from the junctureof the tie b therewith. here. two rollerframes are to be supportedbetween apair of standards a, the arms B on the one are so opened apartas to permit the arms B on the other to slip past, so as to bring theiroverlapping ends into position to receive a common stub-aXle C, one ateach end, extending inwardly from the faces of the standards a. Theopposite ends of the arms B and B carry sockets D, pivotally securedthereto for the The said arms are also provided exterior to the ties orcross-pieces b with bearings f for the reception of the rollers F. Theadjusting-rods E are swiveled in the sockets D and have a screw-threadedengagement near their lower ends with nuts 6, beveled at their lowerends and resting upon beveled seats c, fixed to the bed-frame. A yoke Gconnects the nuts e, and aweighted lever H tends to draw down on theyoke G, and thereby hold the rollers F down to their work. Theadjustment of the rollers toward and away from the bed-frame is effectedby rotating the rods E in one direction or the other, a crank 6 beingprovided for such purpose. The rise and fall of the adjusting-rods willswing the roller-carrying frames upon the axles C. A master-wheel I,mounted in axial alignment with the axles C and driven by a suitabletrain of gear from the drive-wheel, will impart motion to the pinions cand i on the axles of the rollers F, and the latter will be held in gearwith the master-wheel throughout the limit of their swinging movement.The short axles C, in connection with the frames which support therollers, leave an open space between the stand ards a and materiallylighten the framework without sacrificing its strength and durability.The adjustment of the rollers is simple and accurate, and the means forcommunicating motion thereto is free from complications.

WVhat I claim is- 1. The combination, with suitable supports, of a pairof roller-carrying frames having their ends overlapped and pivotallysecured to the supports, leaving a free space between the pivots and inthe axial line thereof, substantially as set forth.

2. The combination, with suitable supports, of a roller-carrying framepivotally secured at its ends to said supports, a master-wheel mountedin axial alignment with the pivots which secure the roller-carryingframe, the feed-roller, and a pinion fixed to rotate there with inengagement with the master-wheel, substantially as set forth.

3. The combination, with suitable supports, of a roller-carrying framepivotally secured at its ends to said supports, an adj usting-rodswiveled to the free end of said frame, a rocking nut engaged with saidrod, and a weight connected with said nut, substantially .as set forth.

ALFRED B. HUTCHINSON.

Witnesses:

FREDK. HAYNES, GEORGE BARRY.

